diff options
Diffstat (limited to 'vnc.c')
| -rw-r--r-- | vnc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/vnc.c b/vnc.c index a67d23f8b1..9a7750a870 100644 --- a/vnc.c +++ b/vnc.c @@ -53,6 +53,7 @@ static char *addr_to_string(const char *format, char host[NI_MAXHOST]; char serv[NI_MAXSERV]; int err; + size_t addrlen; if ((err = getnameinfo((struct sockaddr *)sa, salen, host, sizeof(host), @@ -63,8 +64,12 @@ static char *addr_to_string(const char *format, return NULL; } - if (asprintf(&addr, format, host, serv) < 0) - return NULL; + /* Enough for the existing format + the 2 vars we're + * subsituting in. */ + addrlen = strlen(format) + strlen(host) + strlen(serv); + addr = qemu_malloc(addrlen + 1); + snprintf(addr, addrlen, format, host, serv); + addr[addrlen] = '\0'; return addr; } |